136985128

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 301086720

約数和(自身を除く): 164101592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 131, 142, 262, 263, 284, 497, 524, 526, 568, 917, 994, 1048, 1052, 1834, 1841, 1988, 2104, 3668, 3682, 3976, 7336, 7364, 9301, 14728, 18602, 18673, 34453, 37204, 37346, 65107, 68906, 74408, 74692, 130214, 130711, 137812, 149384, 241171, 260428, 261422, 275624, 482342, 520856, 522844, 964684, 1045688, 1929368, 2446163, 4892326, 9784652, 17123141, 19569304, 34246282, 68492564, 136985128]

約数ペア:

[(1, 136985128), (2, 68492564), (4, 34246282), (7, 19569304), (8, 17123141), (14, 9784652), (28, 4892326), (56, 2446163), (71, 1929368), (131, 1045688), (142, 964684), (262, 522844), (263, 520856), (284, 482342), (497, 275624), (524, 261422), (526, 260428), (568, 241171), (917, 149384), (994, 137812), (1048, 130711), (1052, 130214), (1834, 74692), (1841, 74408), (1988, 68906), (2104, 65107), (3668, 37346), (3682, 37204), (3976, 34453), (7336, 18673), (7364, 18602), (9301, 14728)]